Error creating: admission webhook "namespace.sidecar-injector.istio.io" denied the request: failed to run injection template: template: inject:212:12: executing "inject" at <.EstimatedConcurrency>: can't evaluate field EstimatedConcurrency in type *inject.SidecarTemplateData

 Problem:

Error creating: admission webhook "namespace.sidecar-injector.istio.io" denied the request: failed to run injection template: template: inject:212:12: executing "inject" at <.EstimatedConcurrency>: can't evaluate field EstimatedConcurrency in type *inject.SidecarTemplateData

Solution:

In vaulues.yaml, make below change:

pilot:

  # Can be a full hub/image:taggcr.io/istio-release

  image: gcr.io/istio-release/pilot:1.16.5